llvm/docs/AMDGPU/gfx10_offset_smem_plain.rst
Dmitry Preobrazhensky f295ff3a3e [AMDGPU][MC][DOC] Updated AMD GPU assembler syntax description.
Summary of changes:
- added description of GFX10;
- added description of operands sccz, vccz, lds_direct, etc;
- minor bugfixing and improvements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@365347 91177308-0d34-0410-b5e6-96231b3b80d8
2019-07-08 16:50:11 +00:00

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.. _amdgpu_synid10_offset_smem_plain:
soffset
===========================
An offset added to the base address to get memory address.
* If offset is specified as a register, it supplies an unsigned byte offset.
* If offset is specified as a 21-bit immediate, it supplies a signed byte offset.
.. WARNING:: Assembler currently supports 20-bit unsigned offsets only. Use :ref:`uimm20<amdgpu_synid_uimm20>` instead of :ref:`simm21<amdgpu_synid_simm21>`.
*Size:* 1 dword.
*Operands:* :ref:`s<amdgpu_synid_s>`, :ref:`vcc<amdgpu_synid_vcc>`, :ref:`ttmp<amdgpu_synid_ttmp>`, :ref:`null<amdgpu_synid_null>`, :ref:`m0<amdgpu_synid_m0>`, :ref:`simm21<amdgpu_synid_simm21>`